Evolution:
Population:
Species:
Evolution by Natural Selection:
The IUCN now recognizes the Northern, Southern, Masai and Reticulated giraffe species
The Giraffe Conservation Foundation performed the first-ever comprehensive DNA sampling of all major populations of giraffe throughout Africa, revealing 4 distinct species and several subspecies.
Generation time determines the rate (speed) of evolution
How does this related to the dualism between ecology and evolution?
How many species of bees do you think there are in the USA?
The fossil record allows us to explore ecology:evolution in deep time